It hurts when hotel prices drop after you’ve made your reservation. But now, thanks to a new booking Web site, it doesn’t have to.

Tingo, a Smarter Travel Media company, is a hybrid consumer advocate-travel agent: Book a room on the site, which taps into Expedia’s worldwide inventory, and it will track price fluctuations until 24 hours before check-in. If the rate falls, it will rebook the reservation and reimburse you the difference a few days after checkout.

In a sample test by the company, the price for two nights booked Jan. 27 for a Feb. 23 stay at Wynn Las Vegas fell by $519. Other refunds included $35.13 at a Hilton Head, S.C., property and almost $23 for a Laguna Beach, Calif., hotel.

George Hobica, a company spokesman, said that about 95 percent of the hotels are eligible (look for the “Money Back!” logo beside the property listing). And you can save more money by booking farther ahead. According to a company test, on two-night stays from September through January, 40 percent of bookings made a month out yielded savings ($53 on average); the rate was 30 percent on bookings two weeks out ($36) and 15 percent a week out ($20). Info: 888-897-0887, www.tingo.com.

Adventures in Washington

At last weekend’s Travel and Adventure Show in Washington, 220 vendors dangled dream vacations before almost 17,000 visitors. A day before the expo, CoGo hit up John Golicz, chief executive of event organizer Unicomm, for travel trends. His picks:

The Delta shuttle between Reagan National and New York’s LaGuardia will now depart on the hour rather than the half-hour. . . . Maryland’s Six Flags America is charging $20 admission on March 31, the theme park’s opening day.

Andrea Sachs (not the one who wears Prada) has been writing for Travel since 2000. She travels near (Ellicott City, Jersey Shore) and far (Burma, Namibia, Russia), and finds adventure no matter the mileage. She is all packed for the Moon or North Korea, whichever opens first.

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